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发明名称
Deep well pump reciprocator
摘要
申请公布号
US2950685(A)
申请公布日期
1960.08.30
申请号
US19580761577
申请日期
1958.09.17
申请人
SALENTINE HERBERT M
发明人
SALENTINE HERBERT M.
分类号
F04B47/04
主分类号
F04B47/04
代理机构
代理人
主权项
地址
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